Paper/Spigot-Server-Patches/0140-Fix-FallingBlocks-being-stuck-on-fences.patch

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2017-06-19 03:36:55 +02:00
From 1938ff2b5f43d68ca8fe67b1f69bb0ed77776b3b Mon Sep 17 00:00:00 2001
From: Martin Panzer <postremus1996@googlemail.com>
Date: Fri, 3 Jun 2016 23:13:39 +0200
Subject: [PATCH] Fix FallingBlocks being stuck on fences
Fallingblocks would previously only check if directly beneath them a block exists. They also
hover on top of the 1.5 block tall hitbox of fences during these check. This
resulted in them always thinking they would be on air.
We now first check, if if we are already on the ground.
if not, we check if the falling block is inside of the hitbox of the block at y - 1.
diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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index d2a54235..c74071eb 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
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@@ -336,4 +336,9 @@ public class PaperWorldConfig {
preventTntFromMovingInWater = getBoolean("prevent-tnt-from-moving-in-water", false);
log("Prevent TNT from moving in water: " + preventTntFromMovingInWater);
}
+
+ public boolean altFallingBlockOnGround;
+ private void altFallingBlockOnGround() {
+ altFallingBlockOnGround = getBoolean("use-alternate-fallingblock-onGround-detection", false);
+ }
}
diff --git a/src/main/java/net/minecraft/server/BlockFalling.java b/src/main/java/net/minecraft/server/BlockFalling.java
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index 67439575..1086e311 100644
--- a/src/main/java/net/minecraft/server/BlockFalling.java
+++ b/src/main/java/net/minecraft/server/BlockFalling.java
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@@ -71,6 +71,12 @@ public class BlockFalling extends Block {
return block == Blocks.FIRE || material == Material.AIR || material == Material.WATER || material == Material.LAVA;
}
+ // Paper start - OBFHELPER
+ public static boolean canMoveThrough(IBlockData blockdata) {
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+ return BlockFalling.x(blockdata);
+ }
+ // Paper end
+
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public void a(World world, BlockPosition blockposition, IBlockData iblockdata, IBlockData iblockdata1) {}
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public void a_(World world, BlockPosition blockposition) {}
diff --git a/src/main/java/net/minecraft/server/EntityFallingBlock.java b/src/main/java/net/minecraft/server/EntityFallingBlock.java
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index f4bb2e65..328ee251 100644
--- a/src/main/java/net/minecraft/server/EntityFallingBlock.java
+++ b/src/main/java/net/minecraft/server/EntityFallingBlock.java
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@@ -3,6 +3,7 @@ package net.minecraft.server;
import com.google.common.collect.Lists;
import java.util.ArrayList;
import java.util.Iterator;
+import java.util.List;
import javax.annotation.Nullable;
import org.bukkit.craftbukkit.event.CraftEventFactory; // CraftBukkit
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@@ -120,10 +121,10 @@ public class EntityFallingBlock extends Entity {
}
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} else {
IBlockData iblockdata = this.world.getType(blockposition);
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-
- if (!flag1 && BlockFalling.x(this.world.getType(new BlockPosition(this.locX, this.locY - 0.009999999776482582D, this.locZ)))) {
+
+ if (!isOnGround()) {
this.onGround = false;
- // return; // CraftBukkit
+ if (this.world.paperConfig.altFallingBlockOnGround) return; // Paper
}
this.motX *= 0.699999988079071D;
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@@ -179,6 +180,32 @@ public class EntityFallingBlock extends Entity {
}
}
+ // Paper start
+ private boolean isOnGround() {
+ BlockPosition where = new BlockPosition(this.locX, this.locY - 0.009999999776482582D, this.locZ);
+ boolean cannotMoveThrough = !BlockFalling.canMoveThrough(this.world.getType(where));
+ if (!this.world.paperConfig.altFallingBlockOnGround) return cannotMoveThrough;
+
+ if (cannotMoveThrough) {
+ return true;
+ }
+
+ IBlockData blockData = this.world.getType(where.down());
+ if (BlockFalling.canMoveThrough(blockData)) {
+ return false;
+ }
+
+ List<AxisAlignedBB> list = new ArrayList<>();
+ addCollisions(blockData, getWorld(), where, this.getBoundingBox(), list, this);
+ return list.size() > 0;
+ }
+
+ // OBFHELPER
+ private void addCollisions(IBlockData blockData, World world, BlockPosition where, AxisAlignedBB collider, List<AxisAlignedBB> list, Entity entity) {
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+ blockData.a(world, where, collider, list, entity, false);
+ }
+ // Paper end
+
public void e(float f, float f1) {
Block block = this.block.getBlock();
--
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2.13.1.windows.2